26... a5a4 In a way, Firouzja and Vachier-Lagrave have very similar playing styles. Both are always activating the pieces and trying to attack something. It's no surprise that the pieces keep flying during this game, as neither of them wants to give up the initiative. 27. d1d4 [%c_effect d4;square;d4;type;GreatFind;persistent;true] The right piece to put on d4. 27... a4b3  28. a2b3  28... b4b7 